405535213 has 2 divisors, whose sum is σ = 405535214. Its totient is φ = 405535212.

The previous prime is 405535201. The next prime is 405535313. The reversal of 405535213 is 312535504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366071689 + 39463524 = 19133^2 + 6282^2 .

It is a cyclic number.

It is not a de Polignac number, because 405535213 - 2¹³ = 405527021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405535313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202767606 + 202767607.

It is an arithmetic number, because the mean of its divisors is an integer number (202767607).

Almost surely, 2^405535213 is an apocalyptic number.

It is an amenable number.

405535213 is a deficient number, since it is larger than the sum of its proper divisors (1).

405535213 is an equidigital number, since it uses as much as digits as its factorization.

405535213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 405535213 is about 20137.9048810943. The cubic root of 405535213 is about 740.1893921130.

The spelling of 405535213 in words is "four hundred five million, five hundred thirty-five thousand, two hundred thirteen".